Air conditioner



FIG. 1 is the front perspective view of an air conditioner showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is another side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is the front perspective view thereof, shown in another configuration; and,

FIG. 9 is an enlarged view of the encircled portion A as shown in FIG. 1.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM We claim, the ornamental design for an air conditioner, as shown and described. 